It is image 2 50 pieces of ちゆゆめ (the ちゆり X dream beauty) [on January 5 the day of the professor]
TAG: Images East Old titles Touhou Project 1 5 2 Day 50 ちゆり Professor Two characters Dream beauty
TAG: Images East Old titles Touhou Project 1 5 2 Day 50 ちゆり Professor Two characters Dream beauty